Spinning imitation-mohair yarn



. plained by reason of the fact that in the l TED STATES PATENT OFFICE- l l LIAM R. D. HALL, OF NARBERTH, PENNsYLvANlApAsslGNoR, T0 S. FEATHER COMPANY, A CORPORATION OF DELAWARE.

SPINNING rmrra'rroN-monam YARN.

Ito Drawing. I

To all whom it may concern."

Be it known that I, WILLIAM R. D. HALL, a citizen of the United States, residing at Narberth, in the county of Montgomery and State of Pennsylvania, have invented new and useful Improvements in Spinnin Imitation-Mohair Yarn, of which the fol owing is a specification.

In the manufacture of an imitation mohair difliculty has always been present in producing a finished yarn which has the luster of real mohair, but which does not feel harsher or softer than the real material.

According to my improved method of making imitation mohair l have found that this defect can be remedied by using artificial silk waste which is especially treated in a manner hereinafter referred to, which silk waste is then mixed in a proportion later specified. with wool which may be either virgin or reclaimed wool.

However, in view of the fact that artificial silk Waste is a vegetable fiber and wool. is an animal fiber, I find it necessary to treat the artificial silk waste in a manner so'that it may nearly have the feel of real wool as well as its moisture resisting properties.

. It is a well known fact that artificial silk waste is very susceptibleto moisture and atmospheric conditions and normally contains 11 per cent. moisture, and I take it in this condition and, by drying it in any approved manner, reduce the moisture content to a point below 5% per cent.

llt is then treated with a vegetable oil, such as olive oil until it has absorbed between 6%; and 7% per cent. of its Weight, so that the moisture contained in such silk Waste shall not increase during the subsequent operation of spinning, above 5% per cent. 7

My preference for vegetable oil is exsubsequent operation of spinning and particularly dyeing, the vegetable'oil may be removed from the artificial silk waste more Specification of Letters latent.

Patented May 13, 1919.

Application filed. June 26, 1918.- Serial No. 242,112.

readily than animal or 'mineral oils could The product obtained from the above described process is then thoroughly mixed or blended, by any of the methods Well-known and in use by the wool and Worsted spinners, with Wool in the proportion of 41 per cent. artificial silk waste and 59 per cent. wool.

Having thus described my improved method, what I claim is:

1. That process which consists in the production of artificial mohair by blending artificial silk Waste, the moisture content of whirlzh has been reduced to 5 per cent, with woo 2. That process which consists in the production of artificial mohair by blending artificial silk waste, the moisture content of which has been reduced to a practical working point, and subsequently treated with a substance preventing the absorption of additional moisture, with wool.

3. That process which consists in the roduction of artificial mohair by blen ing with wool, artificial silk waste, the moisture content of which has been reduced to a practical working point then treated with an oil to prevent the further absorption of moisture.

4. That process which consists in the production of artificial mohair by blending artificial silk waste, the moisture content of which has been reduced to a practical work ing point, and which artificial waste has then been treated with a vegetable oil to prevent the absorption of moisture, with wool.

5. That process which consists in the production of artificial mohair by blending artificial silk waste, the moisture content of which has been reduced to a practical working point, -and which artificial waste has then been treated with a vegetable oil to the extent of 6% to 7% per cent. of its own weight to pit-event the absorption of moisture, with WOO 6. That process which consists in the procontent reduced to a point not exceeding 5% duction of artificial mohair by blending arper cent, and has been subsequently treated 10 tificial silk waste with wool in the proporwith a vegetable oil of from 6.} per cent. to tion of 41 per cent. artificial silk waste to 59 7% per cent. of its own weight, to prevent 5 per cent. wool. the addition of further moisture, with wool 7. That process which consists in the proin the percentage of 451 per cent. artificial duction of artificial mohair by blendingv arsilk waste to 59 per cent. wool. tificial silk waste which has had its moisture WILLIAM R. D. HALL. 

